u-boot/arch/arm/include/asm/arch-mx25/clock.h
Timo Ketola 42d25327f5 i.MX25: esdhc: Add mxc_get_clock infrastructure
Defining CONFIG_FSL_ESDHC brings in a call to get_clocks, so let's
implement get_clocks function. This is how it seems to be implemented
elsewhere.

Signed-off-by: Timo Ketola <timo@exertus.fi>
Acked-by: Stefano Babic <sbabic@denx.de>
2012-05-15 08:31:33 +02:00

59 lines
1.5 KiB
C

/*
*
* (c) 2009 Ilya Yanok, Emcraft Systems <yanok@emcraft.com>
*
* Modified for mx25 by John Rigby <jrigby@gmail.com>
*
* See file CREDITS for list of people who contributed to this
* project.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*/
#ifndef __ASM_ARCH_CLOCK_H
#define __ASM_ARCH_CLOCK_H
enum mxc_clock {
MXC_CSI_CLK,
MXC_EPIT_CLK,
MXC_ESAI_CLK,
MXC_ESDHC1_CLK,
MXC_ESDHC2_CLK,
MXC_GPT_CLK,
MXC_I2C_CLK,
MXC_LCDC_CLK,
MXC_NFC_CLK,
MXC_OWIRE_CLK,
MXC_PWM_CLK,
MXC_SIM1_CLK,
MXC_SIM2_CLK,
MXC_SSI1_CLK,
MXC_SSI2_CLK,
MXC_UART_CLK,
MXC_ARM_CLK,
MXC_FEC_CLK,
MXC_CLK_NUM
};
ulong imx_get_perclk(int clk);
ulong imx_get_ahbclk(void);
#define imx_get_uartclk() imx_get_perclk(15)
#define imx_get_fecclk() (imx_get_ahbclk()/2)
unsigned int mxc_get_clock(enum mxc_clock clk);
#endif /* __ASM_ARCH_CLOCK_H */